WinMerge
Compare files and folders visually with WinMerge, an open-source differencing and merging tool for Windows.
About WinMerge
WinMerge is an open source differencing and merging tool for Windows that compares folders and files and shows differences in a visual text format. It helps determine what changed between project versions and merge changes. It works standalone or as an external differencing tool, supports Windows XP SP3 or newer, and handles Windows, Unix and Mac text formats with Unicode.
Pricing is not clearly stated.
Key features
- Three-way file and folder comparison
- Folder comparison with subfolders and regex filters
- Image comparison with block highlighting and overlay
- Table view for CSV/TSV files with column wrapping
- Creates patch files in Normal, Context and Unified formats
- Visual differencing and merging with syntax-highlighted editor
WinMerge at a glance
- Website
- winmerge.org
- Category
- Software & Utilities › File Utilities
- Type
- App
- Pricing
- Not confirmed. Check the site
- Platforms
- Windows
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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